Phonograph-reproducer



F. L. CAPPS.

PH'ONOGRAPH REPRODUCER.

APPLICATION HLEI) JAN- 5. 1912.

1,358,135. PatentedNov. 9,1920.

UNITED STATES FRANK L. mass, or BROOKLYN, NEW" GRAPH COMPANY, on NEW YORK,

YORK, AssreNon T0 rAriin ERERES PHONO- N. Y., A CORPOBATIQN or DELAWARE.

PHONOGRAPH-REPRODUGER.

Application filed. January 5, 1917. Serial No.,140,670.

To allwhom it may concern Be it known that I, FRANK L. CAPPs, a citizen of the United States, and a resident of Brookl 11, county of Kings, and State'of New l brk, have invented certain new and useful. Improvements in Phonograph-Reproducers, of which the following is a specification.

My invention relates to phonograph reproducers preferably of the type adapted for playing disk records. Such records are now generally manufactured with either lateral or vertical undulating record grooves, and a reproducer in accordance with my invention is adapted to reproduce records of either type.

Among the objects of the invention is the provision of a reproducer which will play records of either .of these types without changing the position of the diaphragm with respect to the record and its grooves.

Another object of the invention is the provision of a reproducer which plays laterally undulating records while itsdiaphragm is placed substantially at right angles to the record groove.

Another object of the invention is the provision of a reproducer in which vibrations of the stylus or needle tracking the groove are imparted to the diaphragm through the intermediate action of another stylus or needle.

Another object of the invention is the provision of a separate attachment which'is itself provided with a pivoted needle holder and which may be securedto the reproducer and may be removed therefrom at will,

adapting the reproducer for the di'lferent types of records.

Other objects of the invention will appear in connection with the following description, and with the foregoing and related objects in view, my invention consists in the parts, improvements and combinations herein set forth and claimed.

For the purpose of' affording a clear understanding of my invention I have illus trated an embodiment thereof in the accompanying drawing, but I am not to be limited to the illustrative form, and changes and modifications may be resorted tov within the scope of my claims, by which my invention is defined. In said drawing, forming a part of this specification and wherein the same reference characters are ap- Specification of Letters Patent.

1 Patented Nov. 9, 1920.

to designate the same parts throughout,Figures 1 and '2 are side and face views of the reproducer equippedwith an auxiliary stylus holder in accordance with the present invention, and Fi 3 is a View in perspective of the devices own in Figs. 1 and 2 with the attachment for holding the auxiliary needle or stylus shown in position to be inserted in a socket.

As already stated, the invention in the present case relates more particularly to the mode of attaching and mounting the reproducer points; The repro'ducer audits various other parts may be" of anyform. l have illustrated a reproducer' head 10 having a diaphragm'll and a neck 12 for attachment to a sound eduction tube or horn,

plied uniformly and an arm 13 securedto a needle holding member let which may be mounted on the re- A producer head in any preferred way, and in the form shown ispivoted between pivot screws 15 passing through lugs 15' in the head 10. The reproducer is preferably regularly I equipped 1 with j a reproducer point adapted for playing vertically out records, and such reproducer point. is illustrated at 16 and may be fastened in place in any way, as by means of a screw chuck 17 The parts thus far described may be ofany preferred form, and withthe reproducer so equipped it is designed'to play records having vertically undulating grooves with the reproducer diaphragm substantially at right angles to the record grooves being tracked.

.The reproducer is provided with means for securing thereto an attachmentada ted for holding an additional needle or sty us. 1n the form shown a sleeve 18 is secured to the head 10 by being madea part of one} of the lugs 15, and in the side of thesleeve 18 is threaded a thumb-screw 19.. The sleeve 18 is here shown as having a cylindrical bore 20, and with such cylindrical bore a guide pin 21 is provided, though when the bore is of other forms, as, for example, if it were made of square cross-section, the guide-pin 21 might be dispensed with. The attachment for carrying the auxiliary needle or stylus is shown at 22, andwhile it maybe of various forms, as shown it comprises a shank 23 adapted to be received within the bore 21 ofthe sleeve E20 and having a slot 24 in which the guide-pin 21 may be received, and a substantially U- shaped yoke, preferably formed integral the socket 20 and with the guide-pin 21 in the roove 24:, thus assuring the proper re- 23, a cross bar' 26 :its stylus 16 provided for that purpose,

with the shank 23, and comprising a leg 25 formed directly on or secured to the shank and a second leg '27 opposite the leg 25.

27 of such yoke a needle or stylus holding member 29 is arranged to be supported therein by any convenient supporting means, 1n the form. shown it being supported between pivots, one pivot screw therefor being indicated at 28. The member 29 is provided with means for holdmg a needle or stylus, and for this purpose may "a projecting arm 34: having a recess or groove 35 therein which is adapted to re- "CGIVB the needle or stylus 16 with which the reproducer is regularly supplied.

The reproducer is ordinarily used wlth 'for reproducing records having vertically undulating grooves. For reproducing rec ords having laterally undulating grooves the attachment is put in place upon the reproducer, the stud 23 being inserted withln latio n of the parts, and the attachment is pushed into? the socket until the stylus 16 becomes seated in the recess 85 in the arm 81 whereupon the thumb-screw 19 is screwed up tightly, and with'a proper reproducer point or needle being inserted in the socket 31 in the attach ment, the reproducer is immediately ready for reproducing records having laterally undulating record grooves. It will be o served that no change of the position of t 1e reproducer head and diaphragm with respect to'the record is required, all that is 1 necessary to convert the reproducer from being. adapted to adaptation for playing records of the other play one type of record to type being to secure theattaclnnent in place, with, of course, the provision of a proper reproducing point, or to loosen it and remove it from thereproducer. It will be observed that the reproducer point 33 of the attachment tracking the groove has its vibrations imparted to the reproducer arm 13 and thence to the diaphragm through the intermediate action of the stylus 16 which is ordinarily used for reproducing records of the vertically undulating groove type.

The usual arrangement of affording a piv- V I v otal mounting for the entire reproducer and turning it about through substantially a right angle when it is desired to change from reproducing records of one type to re- Between the legs 25 and without the extra attachment.

producing records of another type is avoided, with a consequent considerable simplification of the reproducer connections,

and the required change may be very simply made without disturbing the reproducer and its mounting in any way.

Having thus described my invention, I claim: I

1. In a phonograph reproducer a diaphragm, an arm "for imparting vibration thereto, a member adapted to be detachably connected to the reproducer, a unitary elbow lever pivoted in said member, one of the branches thereof being provided with reproducer point holding means, and the other branch thereof being adapted to impart vibration to said arm and diaphragm;

2. In a phonograph reproducer, the combination with a diaphragm, of an arm for imparting vibration to the diaphragm, a reproducer point secured to said arm and adapted for tracking a vertically undulating record groove, an attachment for carrying a second reproducer point adapted fortrackmg a record groove having lateral undulations, and means for detachably securing said attachment to said reproducer in such manner that the vibrations of its reproducer point are imparted to the diaphragm through the first-named reproducer point.

3; In a phonograph reproducer, the combinationwith a diaphragm, of an arm for imparting vibration thereto, a reproducer point securedto said arm, and a socket on the reproducer adjacent to the arm and havingits axis substantially parallel to the plane of the arm, said socket. being adapted to receive anddetachably hold an attachment.

for supporting an auxiliary .reproducer point in operative relation to said arm.

4. In a phonograph reproducer, a diaphragm, a pivoted arm secured thereto, a reproducer polnton said arm, a detachable and removablemember comprising a unitary pivoted support for an auxiliary needle, and means for attaching the sameto the repro- "ducer with the pivoted needle holding means thereof in direct contact with the reproducer point of said reproducer; V r

5. In a phonograph reproducer, a diaphragm, a pivoted arm secured thereto, needle holding means on said arm, a socket adjacent to said arm, a U-shaped yoke mem ber having a stud adapted to enter and be held in said socket, a pivoted member in said yoke, and means for holding an auxiliary needle in said pivoted member, said pivoted member having a recessed arm adapted to be held in contact with the first-named reproducer point.

6. As a new article of manufacture, an attachment for phonograph reproducers comprising a substantially U-shaped member, a reproducer point holding device pivoted within the arms of such member, and means for attaching" the same to a phonograph re= producer equipped With a reproducer point with said device in contact with the reproduoer point thereof. 7

7. In a phonograph reproduoer, a diaphragm, a stylus arm for imparting vibration thereto, a removable attachment for said reprodueer, a reproducer point holding member pivoted in said attachment on an axis parallel to the plane of the stylus 10 In testimony that I claim the foregoing, 15

I have hereto set my hand, this 29th day of December, 1916.

FRANK L. CAPPS. 

